* variable.c (rb_obj_remove_instance_variable): raise NameError if

  specified instance variable is not defined.

* variable.c (generic_ivar_remove): modified to check ivar
  existence.

* file.c (rb_file_s_extname): new method based on the proposal
  (and patch) from Mike Hall. [new]

* eval.c (error_handle): default to 1 unless status is set.

* eval.c (ruby_options): guard error_handle() with PROT_NONE.

* eval.c (ruby_stop): ditto.

* math.c (math_acosh): added. [new]

* math.c (math_asinh): ditto.

* math.c (math_atanh): ditto.

* struct.c (rb_struct_each_pair): method added. [new]

* class.c (rb_singleton_class): wrong condition; was creating
  unnecessary singleton class.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@2348 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/numeric.c b/numeric.c
index 39703fae3..c24c49d9c 100644
--- a/numeric.c
+++ b/numeric.c
@@ -1483,7 +1483,7 @@ int_step(from, to, step)
     VALUE i = from;
     ID cmp;
 
-    if (NUM2INT(step) == 0) {
+    if (rb_equal(step, INT2FIX(0))) {
 	rb_raise(rb_eArgError, "step cannot be 0");
     }